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Tolerate invalid cni cache for DelNetwork #1171

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Merged
merged 2 commits into from
Oct 15, 2025
Merged

Tolerate invalid cni cache for DelNetwork #1171

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36b1672
Tolerate invalid cni cache for DelNetwork
scpeters Oct 1, 2025
a30dcc7
Update test expectations to tolerate error
scpeters Oct 2, 2025
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6 changes: 3 additions & 3 deletions libcni/api.go
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Original file line number Diff line number Diff line change
Expand Up @@ -663,9 +663,9 @@ func (c *CNIConfig) DelNetwork(ctx context.Context, net *PluginConfig, rt *Runti
if gtet, err := version.GreaterThanOrEqualTo(net.Network.CNIVersion, "0.4.0"); err != nil {
return err
} else if gtet {
cachedResult, err = c.getCachedResult(net.Network.Name, net.Network.CNIVersion, rt)
if err != nil {
return fmt.Errorf("failed to get network %q cached result: %w", net.Network.Name, err)
if cachedResult, err = c.getCachedResult(net.Network.Name, net.Network.CNIVersion, rt); err != nil {
_ = c.cacheDel(net.Network.Name, rt)
cachedResult = nil
}
}

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4 changes: 2 additions & 2 deletions libcni/api_test.go
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Expand Up @@ -837,12 +837,12 @@ var _ = Describe("Invoking plugins", func() {
})

Context("result is invalid JSON", func() {
It("returns an error", func() {
It("tolerates the error", func() {
err := os.WriteFile(cacheFile, []byte("adfadsfasdfasfdsafaf"), 0o600)
Expect(err).NotTo(HaveOccurred())

err = cniConfig.DelNetwork(ctx, netConfig, runtimeConfig)
Expect(err).To(MatchError("failed to get network \"apitest\" cached result: decoding version from network config: invalid character 'a' looking for beginning of value"))
Expect(err).NotTo(HaveOccurred())
})
})

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